CN204405251U - A kind of vertical dynamic balance testing table - Google Patents
A kind of vertical dynamic balance testing table Download PDFInfo
- Publication number
- CN204405251U CN204405251U CN201520060970.0U CN201520060970U CN204405251U CN 204405251 U CN204405251 U CN 204405251U CN 201520060970 U CN201520060970 U CN 201520060970U CN 204405251 U CN204405251 U CN 204405251U
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- power input
- input shaft
- dynamic balance
- middle spindle
- motor
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Abstract
The utility model discloses a kind of vertical dynamic balance testing table, comprise stationary installation, actuating unit and proving installation; It is top that stationary installation comprises frame, bearing seat, shaft coupling, stripped nut, power input shaft and high speed; Actuating unit comprises motor, motor frequency modulator, tested rotary body and rotary middle spindle; Proving installation comprises up/down acceleration transducer, data processor and computing machine.Frame flexible fastening is on level ground, and the top that motor is arranged at frame is connected with power input shaft, and tested rotary body is fixed by rotary middle spindle, and rotary middle spindle is connected on power input shaft by shaft coupling; Acceleration transducer is located on upper and lower two bearing seats, and be connected with data processor by signal wire, data processor is connected with computing machine again, and signal just can transform on a sensor and pass on computing machine.The utility model is applicable to the dynamic balancing measurement experiment of the tested rotary body that vertical and high-speed rotates.
Description
Technical field
The utility model belongs to mechanical engineering technical field, specifically relates to a kind of vertical dynamic balance testing table.
Background technology
Rotary body (such as cam mechanism etc.) is widely used in various machinery, and the quality of rotating body parts quality directly affects operating accuracy and the reliability of complete machine.Be no matter the design to rotary body, processing and in detecting, it is very important for carrying out detecting in real time to the dynamic balance running of rotary body.The transient equilibrium of such as cam designs the stressed sharp increase that inaccurate meeting directly causes mounting center axle, thus greatly affects the reliability of complete machine.
In rotary body design, dynamic balancing measurement is a very important link, and the degree of accuracy of dynamic balancing measurement directly affects the quality of production of rotary body.And at present, the dynamic balance test stand that the dynamic balancing measurement of the high-speed rotary body of original vertical installation is often arranged in existing level is tested, the rotary body transient equilibrium of this and the vertical installation of reality has certain otherness.And existing horizontally disposed dynamic balance test stand is all often two ends to be supported, and this dynamic balancing measurement for the rotary body of single-ended support originally has certain difference equally.
Utility model content
The utility model object is to overcome above-mentioned deficiency of the prior art, a kind of vertical dynamic balance testing table is provided, its structure is simple, reasonable in design and use easy to operate, can to solve in prior art relevant vertical installation, the coarse problem of dynamic balancing measurement of the rotary body of single-ended support, the quality of production of solid of revolution can be improved further.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of vertical dynamic balance testing table, comprises stationary installation, actuating unit and proving installation; Wherein, to comprise Vertical Rack, shaft coupling, power input shaft and high speed top for described stationary installation; Described actuating unit comprises motor, motor frequency modulator and rotary middle spindle; Described proving installation comprises acceleration transducer, lower acceleration transducer, data processor and computing machine; Described frame is arranged on level ground by elastomeric damper member elasticity, frame is made up of two worktable of upper and lower support and connection, motor is arranged on upper table, upper table is to being arranged with power input shaft, power input shaft is connected with upper table by top chock, power input shaft upper end is connected with motor, and power input shaft bottom is connected with rotary middle spindle by shaft coupling; Tested rotary body is fixed on rotary middle spindle; High speed is top to be connected with lower table by step, and the top tip of high speed contacts with bottom rotary middle spindle; Upper acceleration transducer, lower acceleration transducer are located at respectively on top chock and step, and are connected with data processor by signal wire, and data processor is connected with hand-held computer; Motor is connected with motor frequency modulator.
The center line coincidence that described power input shaft, rotary middle spindle and high speed are top, and described center line is vertical with ground.
Described frame is made up of lower work platform and the middle barrel that connects;
Described lower work platform is horizontally disposed with, and is disc structure, power input shaft and the top center being arranged on disc structure of high speed.
Described motor and power input shaft are rigidly connected by splined sleeve or shaft coupling.
Described power input shaft is rigidly connected by shaft coupling and rotary middle spindle.
Tested rotary body is fixed by the shaft shoulder and stripped nut by described rotary middle spindle.
Described upper acceleration transducer by magnet adsorption at top chock, lower acceleration transducer by magnet adsorption on step.
Be cemented on level ground by arranging resilient shock absorbing elements and landing screw bottom described frame.
Bearing is equipped with in described top chock and step.
Relatively and prior art, the utility model has the following advantages:
A kind of vertical dynamic balance testing table of the utility model, comprises stationary installation, actuating unit and proving installation; Structure is simple, it is easy, reasonable in design to manufacture, cost is low, easy to loading and unloading, practical.Motor output speeds can be regulated to adapt to the actual speed of tested rotary body according to motor frequency modulator, directly the rotary body of actual vertical installation is originally carried out vertical dynamic balance test, and the top rotary middle spindle lower end that whether supports of high speed can be selected to carry out dynamic balancing measurement according to the support/single-ended support of reality tested rotary body two ends, accomplish close with rotary body real work situation, the accuracy of tested rotary body dynamic balancing measurement can be improved, and then ensure the quality of production of rotary body.Installation shaft forms demountable structure by shaft coupling, power input shaft and rotary middle spindle, is conducive to the installation and removal of tested rotary body.A kind of vertical dynamic balance testing table that utility model provides has wide market application foreground and Technique Popularizing is worth.
Further, rotary middle spindle and the top center line of high speed overlap, and make this device to test rotation process more stable, test result is more close to real data.
Further, acceleration transducer is by magnet adsorption at top chock, and simplicity of design, is convenient to the needs tested and install more.
Further, the elasticity adding a rubber like block between pedestal with the earth is connected, because the total quality of experimental prototype is not very large, allow on the present bearing seat of vibrating mass, large ground is all passed in the vibration that bias just can not be allowed to cause.
Accompanying drawing explanation
Fig. 1 is the utility model overall schematic;
Fig. 2 is the utility model bracket assembly schematic diagram.
Wherein: 1 is motor frequency modulator; 2 is frame; 3 is step; 4 is lower side acceleration sensor; 5 is that high speed is top; 6 is tested rotary body; 7 is set nut; 8 is rotary middle spindle; 9 is upper side acceleration sensor; 10 is motor; 11 is computing machine; 12 is data processor; 13 is shaft coupling; 14 is power input shaft; 15 is top chock.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 to Figure 2, a kind of vertical dynamic balance testing table that the utility model provides, comprises stationary installation, actuating unit and proving installation; Wherein, stationary installation comprises frame 2, bearing seat 3, shaft coupling 13, stripped nut 6, power input shaft 14 and high speed top 5.Stationary installation is cemented on level ground by resilient shock absorbing elements and the screw that lands, motor frequency modulator 1 is also fixed on level ground, the top that motor 10 is arranged at frame 2 is rigidly connected by splined sleeve or shaft coupling and power input shaft 14, power input shaft 14 is rigidly connected by shaft coupling 13 with rotary middle spindle 8 again, and tested rotary body 6 is fixed on axle by the shaft shoulder and stripped nut 7 by rotary middle spindle 8.Rotary middle spindle is demountable structure, comprises the two parts up and down connected by shaft coupling.High speed is top to be arranged on the underframe of frame by end cap, detachably.
Actuating unit comprises motor 10, motor frequency modulator 1, tested rotary body 7 and rotary middle spindle 8.Motor 10 can carry out rotational speed regulation by motor frequency modulator 1, then being rigidly connected by power transmission to tested rotary body 7 by motor 10 and tested rotary body 7, and actuating unit is vertical installation.Proving installation comprises up/down acceleration transducer 4/9, data processor 12 and computing machine 11.Acceleration transducer 4/9 is close on upper and lower two bearing seats 3/15 by strong magnets, be connected with data processor 12 by signal wire, data processor 12 is connected with computing machine 11 again, and signal just can transform and finally pass on computing machine 11 on acceleration transducer 4.The proving installation of up/down acceleration transducer 4/9, data processor 12 and computing machine 11 composition is separate removable formula.Up/down acceleration transducer 4/9 by utilizing powerful magnet for adsorption on bearing seat 3, detachably.The space that whole like this testing table occupies greatly reduces.Bearing is equipped with in top chock and step.
Wherein, in order to the accuracy of testing, rotary middle spindle and the top center line of high speed overlap, and described center line and plane perpendicular.Lower work platform is horizontally disposed with, and is disc structure, rotary middle spindle and the top center being arranged on disc structure of high speed.
The utility model is specifically installed and is used as follows:
The shaft coupling of dismounting rotary middle spindle, tested rotary body 7 is fixed in the lower part of rotary middle spindle by the shaft shoulder and stripped nut, then installs shaft coupling, fixing rotary middle spindle and power input shaft.And high speed top 5 whether can be selected to support rotary middle spindle 8 lower end according to the support/single-ended support of reality tested rotary body 7 two ends, if do not need to install high speed top 5, then can directly test, open the rotating speed that motor frequency modulator controls motor, feed back to data processor by the upper acceleration transducer test data that is arranged on top chock, processed by computing machine.If need to install high speed top 5, then after installing tested rotary body 7, need install high speed top 5 on lower table, high speed top 5 is fixed by step, and the height of adjustment high speed top 5, meets the bottom center withstanding rotary middle spindle completely.Just can test.
Under the prerequisite that what the measurement judging quota of the utility model vertical dynamic balance testing table adopted is is connected with floor resilient properties in frame, utilize the acceleration that lower/upper acceleration transducer 4/9 records, as long as the acceleration at the supporting bearing base of tested rotary body 3 and 14 place just can judge dynamically balanced quality within the specific limits, can dynamic balancing measurement operation be simplified easy to operate.The rotary body of actual vertical installation originally directly can be carried out vertical dynamic balance test by vertical dynamic balance testing table, and can according to the supporting way dynamic balancing measurement of the tested rotary body of reality, accomplish close with rotary body real work situation, the accuracy of tested rotary body dynamic balancing measurement can be improved, and then ensure the quality of production of rotary body.
The above; it is only this practical preferred embodiment; not the utility model is imposed any restrictions, every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a vertical dynamic balance testing table, is characterized in that: comprise stationary installation, actuating unit and proving installation; Wherein, described stationary installation comprises Vertical Rack (2), shaft coupling (13), power input shaft (14) and high speed top (5); Described actuating unit comprises motor (10), motor frequency modulator (1) and rotary middle spindle (8); Described proving installation comprises acceleration transducer (9), lower acceleration transducer (4), data processor (12) and computing machine (11); Described frame (2) elasticity is arranged on level ground, frame (2) is made up of two worktable of upper and lower support and connection, motor (10) is arranged on upper table, upper table is to being arranged with power input shaft (14), power input shaft (14) is connected with upper table by top chock (15), power input shaft (14) upper end is connected with motor (10), and power input shaft (14) bottom is connected with rotary middle spindle (8) by shaft coupling (13); Tested rotary body (6) is fixed on rotary middle spindle (8); High speed top (5) is connected with lower table by step (3), and the tip of high speed top (5) contacts with rotary middle spindle (8) bottom; Upper acceleration transducer (9), lower acceleration transducer (4) are located on top chock (15) and step (3) respectively, and be connected with data processor (12) by signal wire, data processor (12) is connected with hand-held computer (11); Motor (10) is connected with motor frequency modulator (1).
2. according to a kind of vertical dynamic balance testing table according to claim 1, it is characterized in that: the center line of described power input shaft (14), rotary middle spindle (8) and high speed top (5) overlaps, and described center line is vertical with ground.
3. according to a kind of vertical dynamic balance testing table according to claim 1, it is characterized in that: described lower work platform is horizontally disposed with, and being disc structure, power input shaft (14) and high speed top (5) are arranged on the center of disc structure.
4. a kind of vertical dynamic balance testing table according to claim 1, is characterized in that: described motor (10) and power input shaft (14) are rigidly connected by splined sleeve or shaft coupling.
5. a kind of vertical dynamic balance testing table according to claim 1, is characterized in that: tested rotary body (6) is fixed by the shaft shoulder and stripped nut (7) by described rotary middle spindle (8).
6. a kind of vertical dynamic balance testing table according to claim 1, it is characterized in that: described upper acceleration transducer (9) by magnet adsorption in top chock (15), lower acceleration transducer (4) by magnet adsorption on step (3).
7. a kind of vertical dynamic balance testing table according to claim 1, is characterized in that: described frame (2) bottom is cemented on level ground by arranging resilient shock absorbing elements and landing screw.
8. a kind of vertical dynamic balance testing table according to claim 1, is characterized in that: be equipped with bearing in described top chock (15) and step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060970.0U CN204405251U (en) | 2015-01-28 | 2015-01-28 | A kind of vertical dynamic balance testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060970.0U CN204405251U (en) | 2015-01-28 | 2015-01-28 | A kind of vertical dynamic balance testing table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405251U true CN204405251U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520060970.0U Expired - Fee Related CN204405251U (en) | 2015-01-28 | 2015-01-28 | A kind of vertical dynamic balance testing table |
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| Country | Link |
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| CN (1) | CN204405251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015369A (en) * | 2016-07-22 | 2016-10-12 | 北京航天动力研究所 | High-speed dynamic balance vibration isolation connection device for high-rotating-speed turbo pump rotor |
| CN109211471A (en) * | 2018-11-07 | 2019-01-15 | 山东省科学院自动化研究所 | A kind of grinding wheel mass balance detection device and detection method |
| CN109525086A (en) * | 2019-01-08 | 2019-03-26 | 深圳至汉装备科技有限公司 | A kind of semi-automatic dynamic balance adjusting apparatus of single-station |
| CN111912565A (en) * | 2020-08-17 | 2020-11-10 | 国为(南京)软件科技有限公司 | Dynamic balance rotary driving assembly |
-
2015
- 2015-01-28 CN CN201520060970.0U patent/CN204405251U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015369A (en) * | 2016-07-22 | 2016-10-12 | 北京航天动力研究所 | High-speed dynamic balance vibration isolation connection device for high-rotating-speed turbo pump rotor |
| CN106015369B (en) * | 2016-07-22 | 2018-02-09 | 北京航天动力研究所 | A kind of high-speed balancing vibrating isolation connection device for high rotating speed turbo pump rotor |
| CN109211471A (en) * | 2018-11-07 | 2019-01-15 | 山东省科学院自动化研究所 | A kind of grinding wheel mass balance detection device and detection method |
| CN109211471B (en) * | 2018-11-07 | 2023-11-28 | 山东省科学院自动化研究所 | Device and method for detecting mass balance of grinding wheel |
| CN109525086A (en) * | 2019-01-08 | 2019-03-26 | 深圳至汉装备科技有限公司 | A kind of semi-automatic dynamic balance adjusting apparatus of single-station |
| CN109525086B (en) * | 2019-01-08 | 2024-03-19 | 深圳至汉装备科技有限公司 | Single-station semi-automatic dynamic balance adjusting device |
| CN111912565A (en) * | 2020-08-17 | 2020-11-10 | 国为(南京)软件科技有限公司 | Dynamic balance rotary driving assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |